EP 2615531 A4 20170419 - TOUCH POSITIONING METHOD, TOUCH SCREEN, TOUCH SYSTEM, AND DISPLAY
Title (en)
TOUCH POSITIONING METHOD, TOUCH SCREEN, TOUCH SYSTEM, AND DISPLAY
Title (de)
BERÜHRUNGSPOSITIONIERUNGSVERFAHREN, BERÜHRUNGSBILDSCHIRM, BERÜHRUNGSSYSTEM UND ANZEIGE
Title (fr)
PROCÉDÉ DE DÉTERMINATION DE LA POSITION DE L'EFFLEUREMENT, ÉCRAN TACTILE, SYSTÈME TACTILE, ET AFFICHAGE
Publication
Application
Priority
- CN 201010274491 A 20100907
- CN 2011077732 W 20110728
Abstract (en)
[origin: EP2615531A1] The present invention relates to a touch positioning method, a touch screen, a touch system and a display. The touch positioning method comprises: processing image collected by the first camera to obtain first image data, and processing image collected by the second camera to obtain second image data, wherein the first image data comprise one touch image block, and the second image data comprise at least two touch image blocks; processing the second image data to obtain third image data, the third image data comprising image blocks of two suspected touch objects; obtaining a distance between the two suspected touch objects according to the first image data and the third image data; and obtaining location information of an actual touch object according to the first image data, the third image data and the distance between the two suspected touch objects. The invention may eliminate misjudgment caused by "crack dot" ( Figure 5 ).
IPC 8 full level
G06F 3/042 (2006.01)
CPC (source: EP US)
G06F 3/041 (2013.01 - US); G06F 3/042 (2013.01 - US); G06F 3/0428 (2013.01 - EP US)
Citation (search report)
- [I] WO 2009102681 A2 20090820 - NEXT HOLDINGS INC [US], et al
- [I] WO 2005031554 A1 20050407 - EIT CO LTD [JP], et al
- [A] EP 1628196 A1 20060222 - EIT CO LTD [JP], et al
- See references of WO 2012031513A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 2615531 A1 20130717; EP 2615531 A4 20170419; CN 102402339 A 20120404; CN 102402339 B 20141105; JP 2013536970 A 20130926; JP 5852120 B2 20160203; US 2013162877 A1 20130627; US 9430080 B2 20160830; WO 2012031513 A1 20120315
DOCDB simple family (application)
EP 11823036 A 20110728; CN 201010274491 A 20100907; CN 2011077732 W 20110728; JP 2013527455 A 20110728; US 201113821500 A 20110728